<template>
  <div class="dashboard-container">
    <div class="app-container">
      <el-card>
        <el-tabs>
          <!-- 【左侧】 -->
          <el-tab-pane label="角色管理">
            <!-- 按钮 -->
            <el-row style="height:60px">
              <el-button
                icon="el-icon-plus"
                size="small"
                type="primary"
                @click="showDialog = true"
              >新增角色</el-button>
            </el-row>
            <!-- 表格 -->
            <el-table border :data="list">
              <el-table-column
                align="center"
                type="index"
                label="序号"
                width="120"
              />
              <el-table-column
                align="center"
                prop="name"
                label="角色名称"
                width="240"
              />
              <el-table-column align="center" prop="description" label="描述" />
              <el-table-column align="center" label="操作">
                <template slot-scope="{ row }">
                  <el-button
                    size="small"
                    type="success"
                    @click="assignPerm(row.id)"
                  >分配权限</el-button>
                  <el-button
                    size="small"
                    type="primary"
                    @click="editRole(row.id)"
                  >编辑</el-button>
                  <el-button
                    size="small"
                    type="danger"
                    @click="deleteRole(row.id)"
                  >删除</el-button>
                </template>
              </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-row
              type="flex"
              justify="center"
              align="middle"
              style="height: 60px"
            >
              <el-pagination
                layout="prev,pager,next"
                :total="page.total"
                :page-size="page.pagesize"
                :current-page="page.page"
                @current-change="changePage"
              />
            </el-row>
          </el-tab-pane>
          <!-- 【右侧】 -->
          <el-tab-pane label="公司信息">
            <el-alert
              title="对公司名称、公司地址、营业执照、公司地区的更新，将使得公司资料被重新审核，请谨慎修改"
              type="info"
              show-icon
              :closable="false"
            />
            <el-form label-width="120px" style="margin-top:50px">
              <el-form-item label="公司名称">
                <el-input
                  v-model="formData.name"
                  disabled
                  style="width:400px"
                />
              </el-form-item>
              <el-form-item label="公司地址">
                <el-input
                  v-model="formData.companyAddress"
                  disabled
                  style="width:400px"
                />
              </el-form-item>
              <el-form-item label="邮箱">
                <el-input
                  v-model="formData.mailbox"
                  disabled
                  style="width:400px"
                />
              </el-form-item>
              <el-form-item label="备注">
                <el-input
                  v-model="formData.remarks"
                  type="textarea"
                  :rows="3"
                  disabled
                  style="width:400px"
                />
              </el-form-item>
            </el-form>
          </el-tab-pane>
        </el-tabs>
      </el-card>
    </div>
    <!-- 编辑弹层 -->
    <el-dialog title="编辑部门" :visible="showDialog" @close="btnCancel">
      <el-form
        ref="roleForm"
        :model="roleForm"
        :rules="rules"
        label-width="120px"
      >
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="roleForm.name" />
        </el-form-item>
        <el-form-item label="角色描述">
          <el-input v-model="roleForm.description" />
        </el-form-item>
      </el-form>
      <!-- 底部 -->
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" @click="btnCancel">取消</el-button>
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
        </el-col>
      </el-row>
    </el-dialog>
    <el-dialog
      title="分配权限"
      :visible="showPermDialog"
      @close="btnPermCancel"
    >
      <!-- id作为唯一标识 -->
      <el-tree
        ref="permTree"
        :data="permData"
        :props="defaultProps"
        :show-checkbox="true"
        :check-strictly="true"
        :default-expand-all="true"
        :default-checked-keys="selectCheck"
        node-key="id"
      />
      <!-- 确定 取消 -->
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button
            type="primary"
            size="small"
            @click="btnPermOK"
          >确定</el-button>
          <el-button size="small" @click="btnPermCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import {
  getRoleList,
  getCompanyInfo,
  deleteRole,
  getRoleDetail,
  updateRole,
  addRole,
  assignPerm
} from '@/api/setting'
import { mapGetters } from 'vuex'
import { tranListToTreeData } from '@/utils'
import { getPermissionList } from '@/api/permission'
export default {
  data() {
    return {
      list: [], // 角色列表
      page: {
        page: 1,
        pagesize: 2,
        total: 0
      },
      formData: {}, // 公司信息
      showDialog: false,
      roleForm: {
        name: '',
        description: ''
      },
      rules: {
        name: [{ required: true, message: '角色名称不能为空', trigger: 'blur' }]
      },
      showPermDialog: false,
      defaultProps: {
        label: 'name'
      },
      permData: [], // 专门用来接收权限数据 树形数据
      selectCheck: [], // 定义一个数组来接收 已经选中的节点
      roleId: null // 用来记录分配角色的id
    }
  },
  computed: {
    ...mapGetters(['companyId'])
  },
  created() {
    this.getRoleList()
    this.getCompanyInfo()
  },
  methods: {
    async getRoleList() {
      const { total, rows } = await getRoleList(this.page)
      this.page.total = total
      this.list = rows
    },
    changePage(newPage) {
      this.page.page = newPage
      this.getRoleList()
    },
    async getCompanyInfo() {
      this.formData = await getCompanyInfo(this.companyId)
    },
    async deleteRole(id) {
      try {
        await this.$confirm('确认删除该角色吗')
        await deleteRole(id)
        this.getRoleList()
        this.$message.success('删除角色成功')
      } catch (error) {
        console.log(error)
      }
    },
    btnCancel() {
      this.roleForm = { name: '', description: '' }
      // 重置并情况校验结果
      this.$refs.roleForm.resetFields()
      this.showDialog = false
    },
    async btnOK() {
      try {
        await this.$refs.roleForm.validate()
        if (this.roleForm.id) {
          // 编辑
          await updateRole(this.roleForm)
        } else {
          // 新增
          await addRole(this.roleForm)
        }
        // 重新获取数据
        this.getRoleList()
        this.$message.success('操作成功')
        this.showDialog = false
      } catch (error) {
        console.log(error)
      }
    },
    async editRole(id) {
      // 获取详情并记录
      this.roleForm = await getRoleDetail(id)
      // 等数据获取完毕后再显示，能避免数据闪动
      this.showDialog = true
    },
    async assignPerm(id) {
      this.permData = tranListToTreeData(await getPermissionList(), '0') // 转化 list 到树形数据
      this.roleId = id
      // 应该去获取这个 id 的 权限点
      const { permIds } = await getRoleDetail(id) // permIds 是当前角色所拥有的权限点数据
      this.selectCheck = permIds
      this.showPermDialog = true
    },
    async btnPermOK() {
      await assignPerm({
        permIds: this.$refs.permTree.getCheckedKeys(),
        id: this.roleId
      })
      this.$message.success('权限分配成功')
      this.showPermDialog = false
    },
    btnPermCancel() {
      this.selectCheck = []
      this.showPermDialog = false
    }
  }
}
</script>
